CN205643239U - Improved generation pH value sensor - Google Patents
Improved generation pH value sensor Download PDFInfo
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- CN205643239U CN205643239U CN201620258539.1U CN201620258539U CN205643239U CN 205643239 U CN205643239 U CN 205643239U CN 201620258539 U CN201620258539 U CN 201620258539U CN 205643239 U CN205643239 U CN 205643239U
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Abstract
The utility model discloses an improved generation pH value sensor, it includes pH probe, hood, sensor body, safety cover, the movable support that lives, protection ring, pillar, card post, base, snap ring, draw -in groove, pillar slide, returns the shape draw -in groove, the beneficial effects of the utility model are that: the utility model protects a cover can be to all -round protection of glass ball bubble, the utility model discloses a safety cover is rigidity network structure structure, can not hinder the contact of solution and the glass ball bubble that awaits measuring, also is convenient for simultaneously rinse, and the paper mulching that will absorb water then can be blotted the moisture inside and outside the safety cover on the safety cover, and the mesh of paper through the safety cover that will absorb water then can be driven the moisture on the glass ball bubble inside stretching into the safety cover.
Description
Technical field
This utility model relates to sensor field, a kind of modified model pH sensor.
Background technology
PH meter is to measure and the important tool of reaction solution acid-base value, model and the product of pH meter are varied, and display mode also has pointer to show and numerical monitor two kinds is optional, but no matter how the type of pH meter changes, its operation principle is all identical, and its main body is an accurate potentiometer.
PH meter measures solution ph with potentiometry, therefore the working method of pH meter, in addition to measuring the pH value of solution, it is also possible to measure the electromotive force of battery.PH, in Latin, is the abbreviation of Pondus hydrogenii, is hydrionic activity in material, and pH value is then the negative of the logarithm of hydrogen ion concentration.
The main measurement parts of pH meter are glass electrode and reference electrode, and glass electrode is sensitive to pH, and the current potential of reference electrode is stable.The two electrode of pH meter is put in same solution together, just constitutes a galvanic element, and the current potential of this galvanic element, it is simply that this glass electrode and the algebraical sum of reference electrode current potential.
The reference electrode current potential of pH meter is stable, so in the case of temperature keeps stablizing, the potential change of the galvanic element that solution and electrode are formed, the most relevant with the current potential of glass electrode, and the current potential of glass electrode depends on the pH value of solution to be measured, therefore by the measure of the change to current potential, it is possible to draw the pH value of pH solution.
The glass ball bulb of the glass electrode of pH value detecting instrument is easy to crush; and cause pH tip damage; although being provided with protection catch around the glass ball bulb of the glass electrode of existing pH value detecting instrument; but glass ball bulb can not omnibearing be protected by protection catch, is easily broken the when of encountering the thrust bottom the edge of the container equipped with solution to be measured or solution to be measured bottom glass ball bulb.
Utility model content
This utility model overcomes the deficiencies in the prior art, it is provided that a kind of modified model pH sensor, solves the problem that the glass ball bulb of existing pH sensor is susceptible to crush.
For solving above-mentioned technical problem, this utility model by the following technical solutions:
A kind of modified model pH sensor; it includes pH probe, sensor main body; described pH probe is connected by wire with sensor main body; it is provided with protective cover on described pH probe; the glass ball bulb of described pH probe is positioned at inside protective cover, and described pH probe is provided with travel(l)ing rest and snap ring, and described travel(l)ing rest coordinates installation with pH probe; the probe of described pH probe can be at travel(l)ing rest internal slide, and described snap ring is positioned at inside travel(l)ing rest.
Further; described travel(l)ing rest includes protection ring, pillar and the base being sequentially connected with; it is provided with card column on described pillar; it is provided with draw-in groove on described snap ring; described draw-in groove includes interconnective pillar slideway and back-shaped draw-in groove; described travel(l)ing rest is connected with snap ring by pillar, draw-in groove, and described base is circulus.
Further, described pH probe is provided with top cap.
Further, described protective cover is the network structure of hollow out.
Further, described protective cover, travel(l)ing rest and snap ring is that nonmetallic materials are made.
Compared with prior art, the beneficial effects of the utility model are:
1, this utility model protective cover can be protected glass ball bulb is comprehensive; protective cover of the present utility model is rigid network structure; contacting of solution to be measured and glass ball bulb will not be hindered; also allow for cleaning simultaneously; absorbent paper is covered and then the moisture inside and outside protective cover can be blotted on protective cover; absorbent paper is stretched into inside protective cover by the mesh of protective cover, then the moisture on glass ball bulb can be purged.
2, pH detection position the most accurately should be the central authorities of liquid, chamber wall can not be close to, so data of detection are the most convincing, therefore pH probe it is frequently necessary to artificially hold, when stabilization time is longer, then needing erection bracket, it has not been convenient to the operation of experimenter, the setting of the present embodiment travel(l)ing rest and snap ring facilitates laying of pH probe.Travel(l)ing rest can slidably reciprocate with pH probe as track, so can be fixed by travel(l)ing rest according to the height and position of the altitude mixture control glass ball bulb of liquid, snap ring, so be easy to the operation of experimenter.
3, this utility model base is circulus, the glass ball bulb removal travel(l)ing rest so can popped one's head in by pH, it is simple to be carried out glass ball bulb.
4, the cooperation snap ring that arranges of this utility model top cap can ensure that travel(l)ing rest can only slidably reciprocate on pH probe, convenient operation.
5, this utility model protective cover, travel(l)ing rest and snap ring are that nonmetallic materials are made, it is to avoid the present embodiment impact on solution acid alkalinity.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is this utility model structural representation.
Fig. 2 is this utility model snap ring and travel(l)ing rest part-structure schematic diagram.
Being numbered in figure: 1, pH probe；11, top cap；2, sensor main body；3, protective cover；4, travel(l)ing rest；41, protection ring；42, pillar；421, card column；43, base；5, snap ring；51, draw-in groove；511, pillar slideway；512, back-shaped draw-in groove.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.Embodiment of the present utility model includes but not limited to the following example.
[embodiment 1]
A kind of modified model pH sensor as shown in Figure 1 and Figure 2; it includes pH probe 1, sensor main body 2; described pH probe 1 is connected by wire with sensor main body 2; it is provided with protective cover 3 on described pH probe 1; it is internal that the glass ball bulb of described pH probe 1 is positioned at protective cover 3, and described pH probe 1 is provided with travel(l)ing rest 4 and snap ring 5, and described travel(l)ing rest 4 coordinates installation with pH probe 1; the probe of described pH probe 1 can be at travel(l)ing rest 4 internal slide, and it is internal that described snap ring 5 is positioned at travel(l)ing rest 4.
The present embodiment protective cover 3 can be protected glass ball bulb is comprehensive; the protective cover 3 of the present embodiment is rigid network structure; contacting of solution to be measured and glass ball bulb will not be hindered; also allow for cleaning simultaneously; absorbent paper is covered and then the moisture inside and outside protective cover can be blotted on protective cover 3; absorbent paper is stretched into protective cover 3 by the mesh of protective cover 3 internal, then the moisture on glass ball bulb can be purged.
PH detection position the most accurately should be the central authorities of liquid, chamber wall can not be close to, so data of detection are the most convincing, therefore pH probe 1 it is frequently necessary to artificially hold, when stabilization time is longer, then needing erection bracket, it has not been convenient to the operation of experimenter, the setting of the present embodiment travel(l)ing rest 4 and snap ring 5 facilitates laying of pH probe 1.Travel(l)ing rest 4 can slidably reciprocate with pH probe 1 as track, so can be according to the height and position of the altitude mixture control glass ball bulb of liquid, and travel(l)ing rest 4 can be fixed, so be easy to the operation of experimenter by snap ring 5.
[embodiment 2]
The present embodiment has done further improvement on the basis of embodiment 1; a kind of modified model pH sensor as shown in Figure 1 and Figure 2; described travel(l)ing rest 4 includes protection ring 41, pillar 42 and the base 43 being sequentially connected with; it is provided with card column 421 on described pillar 42; it is provided with draw-in groove 51 on described snap ring 5; described draw-in groove 51 includes that interconnective pillar slideway 511 and back-shaped draw-in groove 512, described travel(l)ing rest 4 are connected with snap ring 5 by pillar 42, draw-in groove 51.
The present embodiment base 43 is circulus, so can be by the glass ball bulb removal travel(l)ing rest 4 of pH probe 1, it is simple to be carried out glass ball bulb.
When card column 421 is positioned at pillar slideway 511, can move up and down, when card column 421 being moved in back-shaped draw-in groove 512, then can fix, thus pH probe 1 is played supporting function.
[embodiment 3]
The present embodiment has done further improvement, a kind of modified model pH sensor as shown in Figure 1 and Figure 2 on the basis of embodiment 1, and described pH probe 1 is provided with top cap 11.The cooperation snap ring 5 that arranges of top cap 11 can ensure that travel(l)ing rest 4 can only slidably reciprocate on pH probe 1, convenient operation.
[embodiment 4]
The present embodiment has done further improvement, a kind of modified model pH sensor as shown in Figure 1 and Figure 2 on the basis of embodiment 1, and described protective cover 3 is the network structure of hollow out.It is easy to experimenter glass electrode is cleared up.
[embodiment 5]
The present embodiment has done further improvement, a kind of modified model pH sensor as shown in Figure 1 and Figure 2 on the basis of embodiment 1, described protective cover 3, travel(l)ing rest 4 and snap ring 5 are made for nonmetallic materials, it is to avoid the present embodiment impact on solution acid alkalinity；The present embodiment preferably PVC material is made.
It is embodiment of the present utility model as mentioned above.This utility model is not limited to above-mentioned embodiment, and anyone should learn the structure change made under enlightenment of the present utility model, and every have same or like technical scheme, within each falling within protection domain of the present utility model with this utility model.
Claims (5)
1. a modified model pH sensor, it includes that pH pops one's head in (1), sensor main body (2), described pH probe (1) is connected by wire with sensor main body (2), it is characterized in that: on described pH probe (1), be provided with protective cover (3), it is internal that the glass ball bulb of described pH probe (1) is positioned at protective cover (3), it is provided with travel(l)ing rest (4) and snap ring (5) on described pH probe (1), described travel(l)ing rest (4) coordinates installation with pH probe (1), the probe of described pH probe (1) can be at travel(l)ing rest (4) internal slide, it is internal that described snap ring (5) is positioned at travel(l)ing rest (4).
A kind of modified model pH sensor the most according to claim 1; it is characterized in that: described travel(l)ing rest (4) includes protection ring (41), pillar (42) and the base (43) being sequentially connected with; card column (421) it is provided with on described pillar (42); draw-in groove (51) it is provided with on described snap ring (5); described draw-in groove (51) includes interconnective pillar slideway (511) and back-shaped draw-in groove (512), and described travel(l)ing rest (4) is connected with snap ring (5) by pillar (42), draw-in groove (51).
A kind of modified model pH sensor the most according to claim 1, it is characterised in that: it is provided with top cap (11) on described pH probe (1).
A kind of modified model pH sensor the most according to claim 1, it is characterised in that: described protective cover (3) is the network structure of hollow out.
A kind of modified model pH sensor the most according to claim 1, it is characterised in that: described protective cover (3), travel(l)ing rest (4) and snap ring (5) they are that nonmetallic materials are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620258539.1U CN205643239U (en) | 2016-03-31 | 2016-03-31 | Improved generation pH value sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620258539.1U CN205643239U (en) | 2016-03-31 | 2016-03-31 | Improved generation pH value sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205643239U true CN205643239U (en) | 2016-10-12 |
Family
ID=57075681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620258539.1U Expired - Fee Related CN205643239U (en) | 2016-03-31 | 2016-03-31 | Improved generation pH value sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205643239U (en) |
-
2016
- 2016-03-31 CN CN201620258539.1U patent/CN205643239U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20170331 |
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| CF01 | Termination of patent right due to non-payment of annual fee |